EP3833477A1 - Système d'échange d'ions pour traiter un fluide et procédé de chromatographie ionique associé - Google Patents

Système d'échange d'ions pour traiter un fluide et procédé de chromatographie ionique associé

Info

Publication number
EP3833477A1
EP3833477A1 EP19745746.8A EP19745746A EP3833477A1 EP 3833477 A1 EP3833477 A1 EP 3833477A1 EP 19745746 A EP19745746 A EP 19745746A EP 3833477 A1 EP3833477 A1 EP 3833477A1
Authority
EP
European Patent Office
Prior art keywords
diffusers
fluid
ion
chamber
particles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19745746.8A
Other languages
German (de)
English (en)
Other versions
EP3833477B1 (fr
Inventor
Eric REYNAUD
Eric DECANINI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
West Invest SA
Original Assignee
West Invest SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by West Invest SA filed Critical West Invest SA
Publication of EP3833477A1 publication Critical patent/EP3833477A1/fr
Application granted granted Critical
Publication of EP3833477B1 publication Critical patent/EP3833477B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/60—Construction of the column
    • G01N30/6004—Construction of the column end pieces
    • G01N30/6017—Fluid distributors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
    • B01D15/22—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the construction of the column
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
    • B01D15/36—Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction
    • B01D15/361—Ion-exchange
    • B01D15/363—Anion-exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
    • B01J41/04—Processes using organic exchangers
    • B01J41/07—Processes using organic exchangers in the weakly basic form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
    • B01J41/08—Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
    • B01J41/12—Macromolecular compounds
    • B01J41/13—Macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J47/00—Ion-exchange processes in general; Apparatus therefor
    • B01J47/02—Column or bed processes
    • B01J47/022—Column or bed processes characterised by the construction of the column or container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J47/00—Ion-exchange processes in general; Apparatus therefor
    • B01J47/02—Column or bed processes
    • B01J47/04—Mixed-bed processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J47/00—Ion-exchange processes in general; Apparatus therefor
    • B01J47/10—Ion-exchange processes in general; Apparatus therefor with moving ion-exchange material; with ion-exchange material in suspension or in fluidised-bed form
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/60—Construction of the column
    • G01N30/6052—Construction of the column body
    • G01N30/6069—Construction of the column body with compartments or bed substructure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/96—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation using ion-exchange

Definitions

  • the application relates generally to ion chromatography and, more particularly, to an ion-exchange system and method thereof.
  • Ion exchanger systems such as those employed in ion chromatography, can be used to remove or separate molecules from a fluid.
  • the fluid may pass upwardly through a bed of ion-exchange resin contained in a container of the ion exchanger system to remove the molecules from the fluid.
  • the ion exchanger system typically has an inlet at the bottom to receive the fluid into the container and an outlet at the top to remove the fluid from the container.
  • the fluid can be pressurized and injected into the container.
  • the amount of molecules removed from the fluid may depend on the time that the fluid is in contact with the bed of ion-exchange resin. However, a portion of the fluid may pass through the resin at a rate different from rates of other portions of the fluid passing through the resin.
  • a container for treating a fluid with an ion-exchange system comprising a housing extending in an upright position along a longitudinal axis between a bottom port and an opposed top port, the housing having an internal chamber defined therein; a bottom plate disposed in the internal chamber perpendicular to the longitudinal axis at a predetermined height above the bottom port and having a plurality of openings defined therethrough, the bottom plate dividing the internal chamber between a main chamber and a bottom chamber, the bottom chamber defined between the bottom plate and the bottom port; and a plurality of diffusers in fluid flow communication with the bottom chamber extending from the bottom plate into the main chamber, each one of the plurality of diffusers being received in a respective one of the plurality of openings of the bottom plate and having a diffuser tube section projecting upwardly from the bottom plate and being in fluid flow communication with the bottom chamber, the diffuser tube section having radial openings circumferentially distributed along a length thereof to radially discharge the
  • an ion-exchange system for treating a fluid to remove particles, the ion-exchange system comprising a container section having a cylindrical shape and extending along a longitudinal axis between a bottom plate and a top plate, each one of the bottom and top plates having a plurality of openings defined therethrough the container section having a main chamber defined therein between the bottom plate and the top plate, the container section having a height along the longitudinal axis and a diameter extending in a plane perpendicular to the longitudinal axis, and a ratio of the height over the diameter is between 0.75 and 1 .25; and a plurality of bottom diffusers extending through the bottom plate, each one of the plurality of bottom diffusers having a diffuser tube section projecting into the main chamber parallel to the longitudinal axis through a respective one of the plurality of openings of the bottom plate, each one of the plurality of bottom diffusers having a root tube section adapted to be in fluid flow communication with
  • an ion chromatography method for treating a fluid with ion-exchange treatment particles disposed in a container comprising uniformly distributing the fluid in a bed of silex particles of the treatment particles through a plurality of bottom diffusers; raising the fluid from the bed of silex particles into, and through, a bed of ion-exchange particles of the treatment particles; and evacuating the fluid from the container.
  • FIG. 1 is a perspective view of an ion-exchange system including four containers;
  • Fig. 2A is a perspective view of one of the containers shown in Fig. 1 ;
  • FIG. 2B is a front view of the container of Fig. 2A;
  • FIG. 2C is perspective cross-sectional view of the container, showing diffusers disposed inside the container;
  • FIG. 3A is a perspective view of a top cover of the container; [0015] Fig. 3B is a cross-sectional view of the top cover;
  • Fig. 4A is a perspective view of the bottom plate
  • Fig. 4B is a top view of the bottom plate
  • Fig. 5A is one of the diffusers of Fig. 2C;
  • Fig. 6 is a housing of the container; and [0021] Fig. 7 is a cross-sectional view of the container.
  • Fig. 1 illustrates an ion-exchange system 10 that may be used in ion chromatography.
  • the ion-exchange system 10 may be used for treating a fluid to remove ions, particles, and/or molecules from the fluid.
  • the ion-exchange system may be used in the food and beverage industry as part of a purification and separation system.
  • the ion-exchange system 10 may be used in juice debittering, juice clarification, and the like. It is understood that other suitable applications outside the beverage industry for removing ions, particles and/or molecules from the fluid using the ion-exchange system 10 are also contemplated.
  • the ion-exchange system 10 includes four containers 12.
  • the container 12 is intended to refer to a vessel, receptacle, tank, and the like.
  • the container 12 may receive and treat the fluid with treatment particles that may be disposed therein.
  • the treatment particles may contain a bed of ion-exchange particles or resin to treat the fluid.
  • the ion-exchange particles are intended to refer to resins, beads, or the like, that can separate ions and/or molecules from the fluid.
  • the ion-exchange resin may be selected to provide the desired separation and removal of the ions and/or molecules from the fluid.
  • FIGs. 2A-2C illustrates the container 12.
  • the container 12 has a housing 20 to receive the treatment particles, a bottom cover 22, an opposed top cover 24, and diffusers 26 positioned inside the container 12 to distribute the fluid in the housing 20.
  • the fluid may be uniformly distributed across the housing 20 through the diffusers 26.
  • relative terms such as,“top”,“bottom”,“side”,“horizontal”,“vertical”,“upright”,“above”, and the like are used herein to describe one element’s relationship to another element as illustrated in the figures. It is understood that these relative terms are intended to encompass different orientations of the elements in addition to the orientation depicted in the figures.
  • the housing 20 may have a sidewall 34 extending around the longitudinal axis 28 from the bottom cover 22 to the top cover 24.
  • the housing 20 may have a cylindrical shape. In some embodiments, the housing 20 may have an oval shape.
  • the container 12 includes a bottom plate 42 disposed therein at a predetermined height above the bottom port 30 such that the bottom chamber 38 may be defined between the bottom plate 42 and the bottom port 30.
  • the bottom plate 42 may be disposed perpendicular to the longitudinal axis 28.
  • the bottom plate 42 delimits a bottom portion of the main chamber 36.
  • the bottom plate 42 may extend across the sidewall 34 of the housing 20. In other words, a periphery of the bottom plate 42 may be in contact with the sidewall 34.
  • the bottom plate 42 may form a common divider between the main chamber 36 and the bottom chamber 38.
  • the container 12 may include top diffusers 26B that extend from the top plate 44 into the main chamber 36.
  • each diffuser has a diffuser tube section 46 that projects downwardly from the top plate 44 into the main chamber 36.
  • a predetermined depth of the diffuser tube section 46 may be determined relative to the size and shape of the container 12. The predetermined depth of the diffuser tube section 46 may depend on the selection of the treatment particles.
  • the treatment particles may include the bed of silex particles disposed above the bed of ion-exchange particles.
  • the depth of the diffuser tube section 46 may extend only in the bed of silex particles.
  • the diffuser tube section 46 of the top diffusers 26B may not extend in the bed of ion-exchange particles.
  • the top diffusers 26B may be uniformly distributed over the top plate 44.
  • top cover 24 is shown.
  • the top port 32 is positioned in a center of the top cover 24. It is understood that other configurations of the top port 32 may be employed.
  • the bottom cover 22 may be similar to the top cover 24.
  • a density of the diffusers 26 may be defined by a number of the diffusers 26 per unit area of the bottom plate 42. In some embodiments, the density of the diffusers 26 is between a minimum value and a maximum value of diffusers 26 per meter square (number of diffusers/m 2 ). In some embodiments, the density is between 50 and 70 diffusers/m 2 . In some embodiments, the density is between 60 and 65 diffusers/m 2 . In some embodiments, the density is, or about, 62.5 diffusers/m 2 . The density of the diffusers may be 0.016 m 2 /diffuser tube.
  • the area of the bottom plate 42 is 0.64 m 2 .
  • 40 diffusers 26 may be used and uniformly distributed over the bottom plate 42.
  • the diffuser 26 may include the diffuser tube section 46 and a root tube section 56.
  • the root tube section 56 is intended to refer to any suitable tube to reach the fluid within the bottom chamber 38.
  • the root tube section 56 may project from the bottom plate 42 into the bottom chamber 38.
  • the root tube section 56 may be in fluid flow communication with the bottom chamber 38 through another root opening 50A.
  • the diffuser 26 may be sized to provide a pressure drop therethrough.
  • the pressure drop may be between 1 and 3 bars for a flow of the fluid at a volumetric flow rate between 60 and 70 meter cube per hour (m 3 /h).
  • the diffusers 26 may be sized and shaped to uniformly distribute the fluid in the bed of silex particles.
  • the diffuser tube section 46 may have a diameter that is between 14 mm and 17 mm.
  • the height of the diffuser tube section 46 may be about 50 mm. It is understood that other sizes of the diameter and the height may be used.
  • a flowrate of the fluid per diffuser 26 may vary between 25 litres per hour (L/h) and 1 500 L/h.
  • the pump 14 may vary the flowrate of the fluid flowing to the diffusers 26.
  • the radial openings 54 may have V-shaped openings.
  • the V-shaped openings 54 may block the silex particles 58 from entering into the diffusers 26.
  • the size of the silex particle 58 may be greater than the size of the radial opening 54.
  • the housing 20 may have a height along the longitudinal axis 28 and a diameter extending in a plane perpendicular to the longitudinal axis 28.
  • the shape of the housing 20 may be referred to as“super square”.
  • the term super square is intended to refer to a shape of the housing 20 where the values of the height and the diameter are equal, or are near each other.
  • a ratio of the height over the diameter may be between 0.75 and 1 .25.
  • the ratio of the height over the diameter is between 0.8 and 1 .2.
  • the ratio of the height over the diameter is between 0.9 and 1 .1.
  • the ratio of the height over the diameter is, or about, 1 .
  • the treatment particles may be provided inside the main chamber 36 to a filling height that extends from the bottom plate 42 toward the top plate.
  • the filling height may be between 50% and 100% of the total height of the housing 20.
  • the treatment particles may expand in volume during the treatment of the fluid.
  • the container 12 may be sold separately from the treatment particles.
  • the container 12 may sold with the bed of silex particles 58 and the bed of ion-exchange particles.
  • the ion-exchange system 10 may include the container 12 with an identical bottom half and top half. That is, for example, the top plate 44 and top diffusers 26B mirror the bottom plate 42 and bottom diffusers 26A.
  • a regenerating or washing fluid may be used to regenerate or wash the ion-exchange particles.
  • the ion-exchange particles may be washed to remove the molecules that were separated from the fluid, the molecules retained by the ion-exchange particles, or both.
  • a method may be provided for treating the fluid.
  • the method may include uniformly distributing the fluid in the bed of silex particles 58 in the container 12, raising the fluid from the bed of silex particles into, and through, the bed of ion-exchange particles, and evacuating or retrieving the fluid from the container 12.
  • the method may include a reverse washing flow from the top port 32 to the bottom port 30 to wash and regenerate the ion-exchange particles.
  • the fluid may flow through the container 12 from the bottom port 30, to the bottom chamber 38, to the main chamber 36, to the top chamber 40, and flow out of the container 12 through the top port 32.
  • the fluid may enter the housing 20 through the bottom port 30.
  • the fluid may flow into the bottom diffusers 26A.
  • the bottom diffusers 26A may uniformly discharge the fluid in the bed of silex particles 58.
  • the fluid may rise from the bed of silex particles 58 into the bed of ion- exchange particles 60.
  • the fluid may flow into the top diffusers 26B.
  • the fluid may exit the container through the top port 32.
  • the fluid may flow through the container 12 from the top port 32, to the top chamber 40, to the main chamber 36, to the bottom chamber 38, and flow out of the container 12 through the bottom port 30.
  • the fluid may enter the housing 20 through the top port 32.
  • the fluid may flow into the top diffusers 26B.
  • the top diffusers 26B may uniformly discharge the fluid in the bed of silex particles 58.
  • the fluid may flow from the bed of silex particles 58 into the bed of ion-exchange particles 60.
  • the fluid may flow into the bottom diffusers 26A.
  • the fluid may exit the container through the bottom port 30.
  • Embodiment B an ion-exchange system for treating a fluid to remove particles, the ion-exchange system comprising a container extending in an upright position along a longitudinal axis between a bottom port and an opposed top port, the container having an internal chamber between the bottom port and the top port; top and bottom plates disposed in the internal chamber of the container, a bottom chamber defined between the bottom port and the bottom plate, a top chamber defined between the top plate and the top port, and a main chamber defined between the top and bottom plates; treatment particles disposed in the internal chamber to treat the fluid, the treatment particles including a bed of silex particles disposed on the bottom plate and a bed of ion-exchange particles disposed on top of the bed of silex particles; and a plurality of bottom diffusers extending through the bottom plate, each one of the plurality of bottom diffusers having a diffuser tube section projecting into the bed of silex particles, the diffuser tube section having a root opening at a first end thereof in fluid flow
  • Embodiment C an ion-exchange system for treating a fluid to remove particles, the ion-exchange system comprising a container section having a cylindrical shape and extending along a longitudinal axis between a bottom plate and a top plate, each one of the bottom and top plates having a plurality of openings defined therethrough the container section having a main chamber defined therein between the bottom plate and the top plate, the container section having a height along the longitudinal axis and a diameter extending in a plane perpendicular to the longitudinal axis, and a ratio of the height over the diameter is between 0.75 and 1 .25; and a plurality of bottom diffusers extending through the bottom plate, each one of the plurality of bottom diffusers having a diffuser tube section projecting into the main chamber parallel to the longitudinal axis through a respective one of the plurality of openings of the bottom plate, each one of the plurality of bottom diffusers having a root tube section adapted to be in fluid flow communication with a source of
  • Embodiment D an ion chromatography method for treating a fluid with ion-exchange treatment particles disposed in a container, the method comprising uniformly distributing the fluid in a bed of silex particles of the treatment particles through a plurality of bottom diffusers; raising the fluid from the bed of silex particles into, and through, a bed of ion-exchange particles of the treatment particles; and evacuating the fluid from the container.
  • Embodiments A, B, C and/or D may include any of the following elements in any combination.
  • Element 1 Embodiments A wherein the container includes a top plate disposed inside the housing perpendicular to the longitudinal axis at a predetermined depth below the top port, the top plate delimiting a top portion of the main chamber such that a top chamber being defined between the top plate and the top port.
  • Element 3 Embodiments A, or any one of elements 1 and 2, wherein at least one of the plurality of diffusers has a root tube section projecting from the bottom plate into the bottom chamber, the root tube section being in fluid flow communication with the diffuser tube section and the bottom chamber.
  • Element 4 Embodiments A, or any one of elements 1 to 3, wherein the main chamber has a height along the longitudinal axis and a diameter extending in a plane perpendicular to the longitudinal axis, and a ratio of the height over the diameter is between 0.75 and 1 .25.
  • Element 5 Element 4 wherein the ratio of the height over the diameter is between 0.8 and 1.2.
  • Element 6 Element 4 wherein the ratio of the height over the diameter is between 0.9 and 1.1 .
  • Element 7 Element 4 wherein the ratio of the height over the diameter is 1 .
  • Element 8 Embodiments A, or any one of elements 1 to 7, wherein a density of the plurality of diffusers is between 50 and 70, the density of the plurality of diffusers being defined as a number of the plurality of diffusers per meter square of the bottom plate.
  • Element 9 Element 8 wherein the density of the plurality of diffusers per meter square is between 60 and 65.
  • Element 1 1 Embodiments A, or any one of elements 1 to 10, wherein each one of the plurality of diffusers is adapted to provide a pressure drop therethrough, the pressure drop being between 1 and 3 bars for a flow of the fluid at a volumetric flow rate between 60 and 70 meter cube per hour.
  • Element 13 Embodiments A, or any one of elements 1 to 1 1 , wherein the radial openings of the diffuser tube section are V-shaped such that a smallest cross-section of one of the radial openings delimits the diffuser tube section within the main chamber.
  • Element 14 Embodiments B, wherein a plurality of top diffusers extending from the top plate into the main chamber, each one of the plurality of top diffusers having the diffuser tube section projecting downwardly from the top plate and being in fluid flow communication with the top chamber.
  • Element 15 Embodiments B, or element 14 at least one of the plurality of bottom diffusers has a root tube section projecting from the bottom plate into the bottom chamber, the root tube section being in fluid flow communication with the diffuser tube section and the bottom chamber.
  • Element 16 Embodiments B, or any one of elements 14 to 15 wherein a density of the plurality of bottom diffusers is between 50 and 70, the density of the plurality of bottom diffusers being defined as a number of the plurality of bottom diffusers per meter square of the bottom plate.
  • Element 17 Embodiments B, or any one of elements 14 to 16 wherein the main chamber has a height along the longitudinal axis and a diameter extending in a plane perpendicular to the longitudinal axis, and a ratio of the height over the diameter is between 0.75 and 1 .25.
  • Element 19 Embodiments B, or any one of elements 14 to 16 wherein the ratio of the height over the diameter is between 0.9 and 1.1 .
  • Element 20 Embodiments B, or any one of elements 14 to 16 wherein the ratio of the height over the diameter is about 1 .
  • Element 21 Embodiments B, or any one of elements 14 to 20 wherein a density of the plurality of bottom diffusers is between 50 and 70, the density of the plurality of bottom diffusers being defined as a number of the plurality of bottom diffusers per meter square of the bottom plate.
  • Element 23 Embodiments B, or any one of elements 14 to 20 wherein the density of the plurality of diffusers per meter square is between 60 and 65.
  • Element 24 Embodiments B, or any one of elements 14 to 20, wherein the density of the plurality of diffusers per meter square is 62.5.
  • Element 25 Embodiments B, or any one of elements 14 to 24, wherein each one of the plurality of bottom diffusers is adapted to provide a pressure drop therethrough, the pressure drop being between 1 and 3 bars for a flow of the fluid at a volumetric flow rate between 60 and 70 meter cube per hour.
  • Element 26 Embodiments B, or any one of elements 14 to 25, wherein a length of the diffuser tube section extend only in the bed of silex particles.
  • Element 27 Embodiments B, or any one of elements 14 to 26, wherein the radial openings of the diffuser tube section are V-shaped such that a smallest crosssection of one of the radial openings delimits the diffuser tube section within the main chamber.
  • Element 29 Element 28 wherein a density of the plurality of top diffusers being between 50 and 70, the density of the plurality of top diffusers being defined as a number of the plurality of top diffusers per meter square of the top plate.
  • Element 30 Embodiments C, or any one of elements 28 to 29, wherein each one of the plurality of bottom diffusers is adapted to provide a pressure drop therethrough, the pressure drop being between 1 and 3 bars for a flow of the fluid at a volumetric flow rate between 60 and 70 meter cube per hour.
  • Element 31 Embodiments C, or any one of elements 28 to 30, wherein each one of the plurality of top diffusers is adapted to provide a pressure drop therethrough, the pressure drop being between 1 and 3 bars for a flow of the fluid at a volumetric flow rate between 60 and 70 meter cube per hour.
  • Element 32 Embodiments D, further comprising, subsequently after evacuating the fluid from the container, distributing a washing fluid in the bed of ion-exchange particles through a plurality of top diffusers.
  • the bottom diffusers may be identical to the top diffusers.
  • the bottom plate 42 may be identical to the top plate.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Treatment Of Water By Ion Exchange (AREA)

Abstract

l'invention concerne également un contenant pour traiter un fluide avec un système d'échange d'ions. Le contenant comprend un boîtier s'étendant dans une position verticale entre un orifice inférieur et un orifice supérieur opposé. Le boîtier présente une chambre interne. Une plaque inférieure est disposée dans la chambre interne au-dessus de l'orifice inférieur et comporte une pluralité d'ouvertures définies à travers celle-ci. La plaque inférieure divise la chambre interne entre une chambre principale et une chambre inférieure. La chambre inférieure est définie entre la plaque inférieure et l'orifice inférieur. Une pluralité de diffuseurs s'étendent à partir de la plaque inférieure dans la chambre principale. Chaque diffuseur de la pluralité de diffuseurs comporte une section de tube diffuseur faisant saillie vers le haut à partir de la plaque inférieure et en communication fluidique avec la chambre inférieure. La section de tube diffuseur présente des ouvertures radiales réparties de manière circonférentielle le long d'une longueur de celle-ci pour évacuer de manière radiale le fluide dans la chambre principale.
EP19745746.8A 2018-08-09 2019-05-22 Récipient pour traiter un fluide avec un système d'échange d'ions et procédé de chromatographie ionique associé Active EP3833477B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862716503P 2018-08-09 2018-08-09
PCT/IB2019/054234 WO2020030988A1 (fr) 2018-08-09 2019-05-22 Système d'échange d'ions pour traiter un fluide et procédé de chromatographie ionique associé

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Publication Number Publication Date
EP3833477A1 true EP3833477A1 (fr) 2021-06-16
EP3833477B1 EP3833477B1 (fr) 2024-09-04

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US (1) US12109513B2 (fr)
EP (1) EP3833477B1 (fr)
CA (1) CA3108418A1 (fr)
WO (1) WO2020030988A1 (fr)

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CA3108418A1 (fr) 2020-02-13
US20210291076A1 (en) 2021-09-23

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